What this product does 20 plastic/composite furniture shims for stabilizing and leveling bookcases, tables, sofas, cabinets, chairs, shelves and other household items. Each wedge measures approximately 3.93 x 0.79 x 0.31 inches. Available in black, white, and brown to blend with home décor. Why you need it Quickly eliminates wobble and unevenness for safer, more stable furniture. Prevents rocking, reduces stress on legs and joints, and helps keep doors and drawers aligned. Key benefits and performance Durable material: made from longlasting plastic/composite that withstands heavy pressure while maintaining shape. Secure grip: inclined trapezoid shape and antislip surfaces provide a firm hold on floors without scratching or shifting. Stackable design: layer multiple wedges to achieve incremental height adjustments for precise leveling. Easy : wedges can be broken down by hand to fit tight spaces, reducing exposed parts and preserving a tidy appearance under furniture. Features at a glance Quantity: 20 pieces Size: approx. 3.93 x 0.79 x 0.31 inch each Material: durable plastic/composite Colors: black, white, brown Shape: inclined trapezoid with antislip surfaces Stackable and handbreakable for fine adjustment and tight fits Practical applications (use scenarios) Dining chair that wobbles on a hardwood floor: stack one or more wedges under the short leg to stop the wobble and restore comfort. Leaning bookcase on an uneven floor: insert wedges under one side and layer as needed to make the unit plumb and secure. Sofa or cabinet on uneven tile or carpet: use trimmed wedges to raise a low corner without visible gaps, preventing sliding and wear. Easy to install and maintain Slide the wedge under the furniture leg, add or remove wedges for the correct height, or break to size for a snug fit. No tools required. This set provides a simple, reliable solution for stabilizing and leveling furniture while blending discreetly with your home.